SLS3 Women Compression Socks | Stockings | For Running | Nursing | Travel | Knee High COMFORT: Our stylish performance compression socks hug and support your calf muscles with graduated compression. They fit comfortably and keep your legs feeling great. You don`t have to worry about aching calves anymore. These socks definitely help alleviate the problem and you`ll feel a difference immediately. RIGHT AMOUNT OF COMPRESSION: (20-30mmHg) Most compression socks either have too little compression and fall down or too much compression, especially at the top and are extremely painful and causing discomfort. These socks offer excellent support for everyday use and for walking and exercise. Makes working on your feet so much more comfortable. Please see size chart on the left (picture) for a perfect fit. SEAMLESS TOE CLOSURE: We reduced the seam on the toe box for exceptional comfort and a great fit. You won`t feel the toe seam to be uncomfortable which is a big deal when it comes to buying socks. HIGH PERFORMANCE MATERIAL: 76 % Micro-Nylon, 24% Spandex - odor eliminating super soft material that repels moisture, allowing your feet to stay cool and dry. The first thing you will notice is that the material feels nice and doesnt give you stinky feet like some materials do plus they are so much easier to get on and off. FUN COLORS: Our performance compression socks provide you with fun colors to show your true personality with our unique butterfly design.  SIZING: XS/S fits calf circumference 11.5"-13.5" - Shoe size W6-8 US -- S/M fits calf circumference 12.5"-15" - Shoe size M7-9/W8-10 US -- M/L fits calf circumference 13.5"-16.5" - Shoe size M9-11/W10-12 US